Which equation would shift the parabola down 3 units? a) y = x2 b) y = x2 - 3 c) y = x2 + 3 d) y = (x + 3)2

B) y = x2 - 3

Step-by-step explanation:

Suppose you have a function y = f(x), you can do these following operations on the function:

Shift up a units:

Shift down a units:

Shift left a units:

Shift right a units:

So the correct answer for this question is:

B) y = x2 - 3

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10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

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